Citação norma APA

Celis, L. R. (1977). A survey of academic chief librarians in the Philippines [microform]. Photoduplication Service, University of the Philippines Library.

Citação norma Chicago

Celis, Lydia Ramos. A Survey of Academic Chief Librarians in the Philippines [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

Citação norma MLA

Celis, Lydia Ramos. A Survey of Academic Chief Librarians in the Philippines [microform]. Photoduplication Service, University of the Philippines Library, 1977.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.